Finding the Fourth Proportional to 775,803,324.68, 1,163,676,643.08 and 230,530,686.92
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Solution
The fourth proportional to 775,803,324.68, 1,163,676,643.08 and 230,530,686.92 is: 345,787,607.95
Step by Step Solution
- Step 1: Write the proportion equation
775,803,324.68 : 1,163,676,643.08 = 230,530,686.92 : x - Step 2: Convert to fraction form
775,803,324.68/1,163,676,643.08 = 230,530,686.92/x - Step 3: Cross multiply
775,803,324.68x = 1,163,676,643.08 × 230,530,686.92 - Step 4: Simplify right side
775,803,324.68x = 268,263,175,881,992,032 - Step 5: Solve for x
x = 268,263,175,881,992,032/775,803,324.68 - Step 6: Final answer
x = 345,787,607.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.